Drying apparatus.



PATBNTBDOGT. 15, 1907.

NoA 868,446.

` J. A. JUST. DATING APPARATUS.

APPLICATION FILED NOV. Z4. 1906.

` limilp.' @MIA lnventor: JOHN JUST raw/f i i i i sc 1'a1'ers,.and the thicknessof the film can be regulated by adjusting the distance apart of Athe cylinders. The force of the current of air, 4/ite dryness and its temperature may be regulatedi any desired manner to dry 5 quickly or slowly. I'Lthe r'naterial'to be dried -isof a delicate nature and sensitive to ht, it may be dried -without changing its nature or its composition, so that;l

"fwhen suilicientwater' is added to the resulting dry Apowder the Voriginal solution is regained This simplei i and v ery efficient mode of drying, whenapplied (o u .iilk yields a.4 powder which contains the milk' solids in an unchanged state, and when' water is added to' the Apowder, it is restoredto nillLwith all its constituent parts intact. The :powder is stable and mn b c stored y1. 'A drying apparatus comprising a rotatable drum `li'i 1'\ringo foratninonspsurtace, means communicating with the v:"iuterio'rfot said-drum fosfor-ging, air outwardlyj through 3 0; said (o rsiinoiis" surface anduneans for distributing. liquid. -to he'di'l'ed uponsuehtoraininoussurface. L'drying apnaratislcomprlsing a r'otatabledru'm' of *perforated 'sheet`r etaif'rneans communicating with`the 'having'a toraminous surface. means for' forcing nir outwardlythrough said foramnous snrfaceand through liquid therenpon'and means'or distributing liquid to b e-'drimi upon suchfforami'noussurface.

4. A drying 'apparatus comprising a pair of rotatable drums piacedto rotate in close proximity, ,one or both 'said drums beingiot perforated sheetmetai and means air under pressureltoand through liqu'd'on the exterior ot such. drum undmeans' for distributing. liquid to be dried upon the exterior of said drum.

A drying apparatus comprising a rotatable drum hoving :1 framinous suri'uce, means for heating and-drying air, means for forcingsuch 4aix-.into the interior oi said drum and outwardly through said toralminous'surface und means tordistributing liq'uid-to'be dried upon such fo'- raminous surface. C

'6. A drying apparatus comprisingr a rotatable drum of perforated sheet metal, means for heating and drying,r oir. means communicating with the interior ot said drum for supplying such air under pressure to und through liquid upon the exterior of the drum and means for distributing -liquid Vto be dried upon the exterior of the drum.

7. A drying "apparatus Acomprising-'zi pair ot. rotatable drums placed to rotate in close roximity, one orlioih lm v'- ing.-n toraminousvsuiface, means for heating and drying communicating with the -interior of a drumor supplyingairmeans communicating with the interior of said drums fortorng such air outwardly through said gurmuinous surface, and means for distributing liquid'to be dried upon such fdrilml'nous' surface;

8. A drying'npparatus comprising a'pniroi'frotntable drums placed to rotate in close proximity, o ne or both oi' said drums being of perforated sheet'metaL -means for .heating andi drying air@meansrominunicatiug with the interior ot a drum forsupplying such air' under pressure outwardly. throghlits perforated'fsurface and vmeans for distributing liquidtobe dried upon theeqtterior oi' said Intestimony wheredf i have Vuhrned-rvthi Silelilea'tion in u the presene' oi.' two subscribing witnesses,- 

